Depleted layer effects in polymer flow through porous media. II. Network calculations

    Research output: Contribution to journalArticle

    Abstract

    This paper investigates the effects of surface exclusion in the rheology of polymers in network models of porous media. Here, the results developed for single capillary flow with depleted layers in Part I are incorporated into network calculations. Using input data based on the biopolymer, xanthan, a number of predictions are made on the macroscopic rheological behavior of solutions of this polymer in porous medium flow. It is found that the macroscopic "apparent slip" effect can be quite substantial even for fairly low depleted layer thicknesses compared with average pore size in the network. © 1990.

    Original languageEnglish
    Pages (from-to)315-323
    Number of pages9
    JournalJournal of Colloid and Interface Science
    Volume139
    Issue number2
    Publication statusPublished - 15 Oct 1990

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